Cobra 25 LTD Support Question
Cobra 25 LTD Support Question
Find answers below for this question about Cobra 25 LTD.Need a Cobra 25 LTD manual? We have 1 online manual for this item!
Question posted by skippy4328 on December 30th, 2017
Modulation Problem
Push down on the transmit button and the Modulation needle goes to the Red. When I speak into the Mic the needle does not move. There is no swing. SWR's are tuned at 1.6. Tried adjusting VR5 with no difference. R & R VR%?
Current Answers
Related Cobra 25 LTD Manual Pages
25LTDST - Page 1
Cortland Street Chicago, IL 60707
PRINTED IN HONG KONG
©COBRA ELECTRONICS CORP. 1997
480-205-P-001 OPERATING INSTRUCTIONS FOR YOUR
40 CHANNEL
CITIZENS BAND 2-WAY MOBILE RADIO
Model
25 LTD ST
Cobra Electronics Corporation 6500 W.
25LTDST - Page 2
... Mobile Radio
Model 25 LTD ST
Contents
Page
The CB Story 1
SoundTracker System 1
Specifications 2,3
Installation
Location 4 Mounting Connections 4, 5 CB Antenna 6 Ignition Noise Interference 7
In House Operation 7
Operation Controls and Indicators 8, 9, 10 Operating Procedure to Receive 11 Operating Procedure to Transmit 12 How SoundTracker Works 13
Maintenance and Adjustment...
25LTDST - Page 3
... Hz. 50 ohms, unbalanced. Adjustable; indicates relative power output and received signal strength.
4 watts. Double Conversion: 1st: 10.695 MHz.
2nd: 455 KHz. Less than 1 µV for your Cobra CB radio. threshold less than 7% @ 3 watts @ 1000 Hz. 16 ohms, round. 8 ohms; The receiver also features increased protection against cross modulation and strong adjacent channel...
25LTDST - Page 4
... left on back of the automobile. Before installing the CB radio, visually check the vehicle battery connections to the engine block...the universal mounting bracket by two thumbscrews, permitting adjustment at the most convenient location in the desired position...vehicle. In automobile instal- In positive ground automobiles the red wire goes to the underneath of DC power cord to the ignition...
25LTDST - Page 5
...details, or call 773-889-3087 and speak to a standard PL 259 cable termination.... directional, in less than normal transmit and receive range when compared to... from your transceiver for CB only. Simply connect the red (+) and black (...radio signals is adequate, the background noise does not present a serious problem... the COBRA 25 LTD ST has... vehicles require different solutions to purchase...
25LTDST - Page 6
...
A. Gain is disabled and the unit will be green. Swings proportionally to the strength of the LED channel indicator
and the ... messages when you are not inside your radio is very effective for instant selection of ....
The PA function should not be adjusted only to the point where the receiver...CB channels can be red.
8
9 RX/TX LED INDICATOR. When in the transmit and PA
modes.
25LTDST - Page 7
Depressing this setting. When transmitting, hold the microphone two inches from the mouth and speak clearly in your CB.
14. The microphone provided with your radio is used as a public address system. EXTERNAL SPEAKER: The External Speaker Jack is a detachable low-impedance dynamic type.
3
1
2
4
C. A power cord with the radio.
The PA/CB should be present). Set the...
25LTDST - Page 8
...and dramatically improves signal clarity. Adjust PA speaker volume with a ...CB channel will be heard through the PA speaker.
This also allows you with front panel DYNAMIKE control. The result is properly connected to -talk switch on micÑspeak in noise on reception and transmission. The receiver and transmitter are unintelligible.
Depress push-to the radio before transmitting...
25LTDST - Page 9
...in .
4. The main power lead (red wire) has a
2 Amp 3AG type ...fuse for minimum
SWR. If you ...25 10-26 10-27 10-28 10-29 10-30 10-32 10-33 10-34
Meaning
Receiving poorly Receiving well Stop transmitting OK, message received Relay message Busy, stand by Out of power and make certain you are unable to tune your radio and antenna, contact the installer. Maintenance and Adjustment
The COBRA CB...
25LTDST - Page 10
...package has not been properly insured.
6. Please allow approximately 3 to 4 weeks before sending your CB to prevent damage in . You are not allowed to blast others a chance to find you ...United Parcel Service (UPS), Roadway Parcel Service (RPS) or First Class Insured Mail to send your CB. 6. Include a typed or
clearly printed name and address of what is not responsible for more...
25LTDST - Page 11
...Customer Signature
Circle One:
Visa
MasterCar1d9
Discover COBRA will be at its COBRA citizens band (CB) radio, and the component parts thereof, will , without charge, repair or replace, at Cobra...MICROPHONE Amplified power mic
CA-75
POWER/NOISE-CANCELLING MICROPHONE Amplified power mic with noise-cancelling design
CA-77
POWER/ECHO MICROPHONE Amplified power mic with this warranty....
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